<template>
  <div>
    <el-row>
      <el-col :span="24">
        <el-form :inline="true" :model="dataForm">
          <el-form-item label="分类">
            <category-cascader :catelogPath.sync="catelogPath"></category-cascader>
          </el-form-item>
          <el-form-item label="品牌">
            <brand-select style="width:160px"></brand-select>
          </el-form-item>
          <el-form-item label="状态">
            <el-select style="width:160px" v-model="dataForm.status" clearable>
              <el-option label="新建" :value="0"></el-option>
              <el-option label="上架" :value="1"></el-option>
              <el-option label="下架" :value="2"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="检索">
            <el-input style="width:160px" v-model="dataForm.key" clearable></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" @click="searchSpuInfo">查询</el-button>
          </el-form-item>
        </el-form>
      </el-col>
      <el-col :span="24">
        <spuinfo :catId="catId"></spuinfo>
      </el-col>
    </el-row>
  </div>
</template>

<script>
  //这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
  //例如：import 《组件名称》 from '《组件路径》';
  import PubSub from 'pubsub-js'
  import CategoryCascader from '../common/category-cascader'
  import BrandSelect from '../common/brand-select'
  import Spuinfo from './spuinfo'

  export default {
    //import引入的组件需要注入到对象中才能使用
    components: {CategoryCascader, Spuinfo, BrandSelect},
    props: {},
    data () {
      //这里存放数据
      return {
        catId: 0,
        catelogPath: [],
        dataForm: {
          status: '',
          key: '',
          brandId: 0,
          catelogId: 0
        },
        catPathSub: null,
        brandIdSub: null

      }
    },
    //计算属性 类似于data概念
    computed: {},
    //监控data中的数据变化
    watch: {},
    //方法集合
    methods: {
      searchSpuInfo () {
       PubSub.publish('dataForm', this.dataForm)
      }
    },
    //生命周期 - 创建完成（可以访问当前this实例）
    created () {
    },
    //生命周期 - 挂载完成（可以访问DOM元素）
    mounted () {
      this.catPathSub = PubSub.subscribe('catPath', (msg, val) => {
        this.dataForm.catelogId = val[val.length - 1]
      })
      this.brandIdSub = PubSub.subscribe('brandId', (msg, val) => {
        this.dataForm.brandId = val
      })
    },
    beforeCreate () {
    }, //生命周期 - 创建之前
    beforeMount () {
    }, //生命周期 - 挂载之前
    beforeUpdate () {
    }, //生命周期 - 更新之前
    updated () {
    }, //生命周期 - 更新之后
    beforeDestroy () {
      PubSub.unsubscribe(this.catPathSub)
      PubSub.unsubscribe(this.brandIdSub)
    }, //生命周期 - 销毁之前
    destroyed () {
    }, //生命周期 - 销毁完成
    activated () {
    } //如果页面有keep-alive缓存功能，这个函数会触发
  }
</script>
<style>
</style>
